commit 5b9f9955a58e05739bacd85ccc232e68bb9fe985 :  avoid drawincontext  looping
commit 5b9f9955a58e05739bacd85ccc232e68bb9fe985 :  avoid drawincontext  looping

onetot/KYAnimatedPageControl,littledogboy/KYAnimatedPageControl,tangwei6423471/KYAnimatedPageControl,tangwei6423471/KYAnimatedPageControl,lilidan/KYAnimatedPageControl,tangwei6423471/KYAnimatedPageControl,onetot/KYAnimatedPageControl,zuoguoqing/KYAnimatedPageControl,zuoguoqing/KYAnimatedPageControl,lilidan/KYAnimatedPageControl,mxxiv/KYAnimatedPageControl,jiakai-lian/KYAnimatedPageControl,lilidan/KYAnimatedPageControl,littledogboy/KYAnimatedPageControl,onetot/KYAnimatedPageControl,zuoguoqing/KYAnimatedPageControl,KittenYang/KYAnimatedPageControl,littledogboy/KYAnimatedPageControl,andyleeyong/KYAnimatedPageControl,jiakai-lian/KYAnimatedPageControl,jiakai-lian/KYAnimatedPageControl,mtxs007/KYAnimatedPageControl